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Cochlear implants, hearing loss

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https://www.readbyqxmd.com/read/28338374/the-clinical-features-and-prognosis-of-mumps-associated-hearing-loss-a-retrospective-multi-institutional-investigation-in-japan
#1
Shinya Morita, Keishi Fujiwara, Atsushi Fukuda, Satoshi Fukuda, Shin-Ya Nishio, Ryosuke Kitoh, Naohito Hato, Tetsuo Ikezono, Kotaro Ishikawa, Kimitaka Kaga, Atsushi Matsubara, Tatsuo Matsunaga, Takaaki Murata, Yasushi Naito, Kazunori Nishizaki, Kaoru Ogawa, Hajime Sano, Hiroaki Sato, Michihiko Sone, Mikio Suzuki, Haruo Takahashi, Tetsuya Tono, Hiroshi Yamashita, Tatsuya Yamasoba, Shin-Ichi Usami
CONCLUSIONS: The majority of hearing loss due to mumps presents as unilateral profound sensorineural hearing loss, which is refractory to treatment. In rare cases of bilateral total deafness, cochlear implants were beneficial for speech perception. Vaccination against mumps is recommended to prevent mumps-associated hearing loss. OBJECTIVE: The objective of this study is to investigate the clinical characteristics of hearing loss due to mumps and to evaluate hearing outcomes...
March 24, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28335700/cochlear-implants-in-the-management-of-hearing-loss-in-neurofibromatosis-type-2
#2
Frances Harris, James R Tysome, Neil Donnelly, Juliette Durie-Gair, Gemma Crundwell, Yu Chuen Tam, Richard D Knight, Zebunnisa H Vanat, Nicola Folland, Patrick Axon
OBJECTIVE: Review of cochlear implant (CI) outcomes in patients with Neurofibromatosis Type 2 (NF2), implanted in the presence of an ipsilateral vestibular schwannoma (VS). Hearing restoration was combined in some cases with a Bevacizumab regime. METHOD: Retrospective review of 12 patients, managed over the period 2009-2016, at a tertiary referral multidisciplinary NF2 clinic. The patients are grouped by hearing outcomes to explore likely protective factors, and to generate a proposed decision-making tool for the selection of either CI or Auditory Brainstem Implant (ABI)...
March 24, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28333778/cochlear-implant-in-severe-impaired-psychiatric-patients-a-case-series
#3
Ioana T Herisanu, Mark Praetorius, Margarete Mattern
OBJECTIVE: Psychotic disorders and intelligence deficiencies are no longer contraindications for cochlear implantation regarding the revised German guidelines from May 2012. This article aims to evaluate the outcome of patients with severe psychiatric comorbidities. Therefore the database of the Cochlear Implant Center of the University Hospital of Heidelberg was investigated. STUDY DESIGN: Retrospective case review. METHODS: We present three patients who received a cochlear implant (CI) despite a serious psychiatric disorder...
March 22, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28332898/herpes-simplex-virus-1-and-cytomegalovirus-dnas-detection-in-the-inner-ear-of-implanted-patients-with-non-congenital-infection
#4
Walter Di Nardo, Roberta Anzivino, Paola Cattani, Rosaria Santangelo, Eugenio De Corso, Gaetano Paludetti
CONCLUSIONS: The detection of cytomegalovirus (CMV) and herpes simplex virus-1 (HSV-1) genome in perilymph of patients with negative serology or clinical history for congenital infections supports the hypothesis that Herpesviridae, even after acquired postnatal infections, could remain in latent phase in the spiral ganglion and damage the cochlea by a possible subsequent reactivation. Further studies are needed to identify the markers of such reactivation. OBJECTIVE: To identify the presence of certain viral species in the endolabyrinthic fluid of deaf patients with non-congenital infection...
March 23, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28328611/a-rare-complication-of-cochlear-implantation-after-magnetic-resonance-imaging-reversion-of-the-magnet
#5
Erkan Öztürk, Can Doruk, Kadir Serkan Orhan, Mehmet Çelik, Beldan Polat, Yahya Güldiken
Cochlear implants are mechanical devices used for patients with severe sensory-neural hearing loss, which has an inner magnet. It is proven that 1.5 Tesla magnetic resonance imaging (MRI) scanners are safe to use in patients with cochlear implant. In our patient, the authors aim to introduce a rare complication caused after a 1.5 Tesla MRI scanning and the management of this situation; the reversion of the magnet of the implant without displacement and significance of surgery in management.
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28326059/unilateral-cochlear-implantation-reduces-tinnitus-loudness-in-bimodal-hearing-a-prospective-study
#6
Jérôme J Servais, Karl Hörmann, Elisabeth Wallhäusser-Franke
Perceptive and receptive aspects of subjective tinnitus like loudness and tinnitus-related distress are partly independent. The high percentage of hearing loss in individuals with tinnitus suggests causality of hearing impairment particularly for the tinnitus percept, leading to the hypothesis that restoration of auditory input has a larger effect on tinnitus loudness than on tinnitus-related distress. Furthermore, it is assumed that high levels of depression or anxiety prevent reductions of tinnitus loudness and distress following restoration of activity in the cochlea...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28322114/predictive-value-of-gjb2-mutation-status-for-hearing-outcomes-of-pediatric-cochlear-implantation
#7
Yasin Abdurehim, Alexandre Lehmann, Anthony G Zeitouni
Objective To systematically review and quantify current evidence regarding the association of GJB2 mutation status with outcomes of pediatric cochlear implantation. Data Sources PubMed, Embase, and the Cochrane Library were searched for "GJB2,"pediatric hearing loss," and "cochlear implantation" and their synonyms, with no language restrictions, until December 2, 2015. Review Methods Studies were included that investigated the status of GJB2 mutation and its predictive value for outcomes of pediatric cochlear implantation...
March 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28318810/incomplete-partition-type-iii-a-rare-and-difficult-cochlear-implant-surgical-indication
#8
Levent Sennaroğlu, Münir Demir Bajin
OBJECTIVE: Presenting the clinical features and treatment options for incomplete partition type-III. METHODS: Nine primary and 1 revision incomplete partition type-III cochlear implant cases treated between 2004 and 2015 in Hacettepe University Department of Otolaryngology were included in the study. Treatment options and particularly cochlear implantation tecnique were described. RESULTS: Nine primary and 1 revison cases were all succesfully implanted...
March 16, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28306649/secondary-endolymphatic-hydrops
#9
Ashley P O'Connell Ferster, Sebahattin Cureoglu, Nevra Keskin, Michael M Paparella, Huseyin Isildak
HYPOTHESIS: A review of the most recent literature will provide clinicians with an update of secondary endolymphatic hydrops, aiding in diagnosis and treatment of affected patients. BACKGROUND: Secondary endolymphatic hydrops is a pathologic finding of the inner ear resulting in episodic vertigo and intermittent hearing loss. It is a finding for which extensive research is being performed. METHODS: A review of the most recent literature on secondary endolymphatic hydrops was performed using PubMed literature search...
March 16, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28303288/-technical-advancements-in-cochlear-implants-state-of-the-art
#10
A Büchner, L Gärtner
Twenty years ago, cochlear implants (CI) were indicated only in cases of profound hearing loss or complete deafness. While from today's perspective the technology was clumsy and provided patients with only limited speech comprehension in quiet scenarios, successive advances in CI technology and the consequent substantial hearing improvements over time have since then resulted in continuous relaxation of indication criteria toward residual hearing. While achievements in implant and processor electronics have been one key factor for the ever-improving hearing performance, development of electro-acoustic CI systems-together with atraumatic implantation concepts-has led to enormous improvements in patients with low-frequency residual hearing...
March 16, 2017: HNO
https://www.readbyqxmd.com/read/28301390/pre-and-postoperative-binaural-unmasking-for-bimodal-cochlear-implant-listeners
#11
Benjamin M Sheffield, Gerald Schuchman, Joshua G W Bernstein
OBJECTIVES: Cochlear implants (CIs) are increasingly recommended to individuals with residual bilateral acoustic hearing. Although new hearing-preserving electrode designs and surgical approaches show great promise, CI recipients are still at risk to lose acoustic hearing in the implanted ear, which could prevent the ability to take advantage of binaural unmasking to aid speech recognition in noise. This study examined the tradeoff between the benefits of a CI for speech understanding in noise and the potential loss of binaural unmasking for CI recipients with some bilateral preoperative acoustic hearing...
March 15, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28291986/considerations-for-pediatric-cochlear-implant-recipients-with-unilateral-or-asymmetric-hearing-loss-assessment-device-fitting-and-habilitation
#12
Laura Greaver, Hannah Eskridge, Holly F B Teagle
Purpose: The purpose of this clinical report is to present case studies of children who are nontraditional candidates for cochlear implantation because they have significant residual hearing in 1 ear and to describe outcomes and considerations for their audiological management and habilitation. Method: Case information is presented for 5 children with profound hearing loss in 1 ear and normal or mild-to-moderate hearing loss in the opposite ear and who have undergone unilateral cochlear implantation...
March 14, 2017: American Journal of Audiology
https://www.readbyqxmd.com/read/28282143/proteome-analysis-of-human-perilymph-using-an-intraoperative-sampling-method
#13
Heike Andrea Schmitt, Andreas Pich, Anke Schröder, Verena Scheper, Giorgio Lilli, Günter Reuter, Thomas Lenarz
The knowledge about the etiology and pathophysiology of sensorineural hearing loss (SNHL) is still very limited. The project aims at the improvement of understanding different types of SNHL by proteome analysis of human perilymph. Sampling of perilymph has been established during inner ear surgeries (cochlear implant and vestibular schwannoma surgeries) and safety of the sampling method was determined by pure tone audiometry. An in-depth shot-gun proteomics approach was performed to identify cochlear proteins and individual proteome in perilymph of patients...
March 10, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28271322/patient-benefit-from-cochlear-implantation-in-single-sided-deafness-a-1-year-follow-up
#14
Julia Louza, John-Martin Hempel, Eike Krause, Alexander Berghaus, Joachim Müller, Thomas Braun
The objective of the study was to evaluate the quality of life and benefit in patients with single-side deafness before and 1 year after cochlear implantation. In a prospective observational study design, ten adult patients with single-sided deafness undergoing cochlear implantation were included. All patients had on the implantation side no speech discrimination with normal hearing aids. The contralateral side was normal or marginal hearing loss. For determining the subject benefit from cochlear implantation, each patient answered standardized questionnaires directly before implantation and 1 year after...
March 7, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28269101/detection-of-binaural-interaction-in-free-field-evoked-auditory-brainstem-responses-by-time-scale-representations
#15
Erik Schebsdat, Horst Hessel, Harald Seidler, Daniel J Strauss
The so called β-wave of the binaural interaction component (BIC) in auditory brainstem responses (ABR) has been shown to be an objective measure for binaural interaction (BI). This component is the arithmetical difference between the sum of the monaurally evoked ABRs and the binaurally evoked ABR. Unfortunately, these neural responses are known to be very fragile and as a result the calculated BIC. An additional issue is, that the findings of this measurement are predominantly needed in people with hearing loss who may use hearing devices like hearing aids (HA) or cochlear implants (CI), thus they are not able to use headphones (like in conventional ABR measurements) during the detection of possible BI...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28263850/laser-capture-micro-dissection-combined-with-next-generation-sequencing-analysis-of-cell-type-specific-deafness-gene-expression-in-the-mouse-cochlea
#16
Shin-Ya Nishio, Yutaka Takumi, Shin-Ichi Usami
Cochlear implantation (CI), which directly stimulates the cochlear nerves, is the most effective and widely used medical intervention for patients with severe to profound sensorineural hearing loss. The etiology of the hearing loss is speculated to have a major influence of CI outcomes, particularly in cases resulting from mutations in genes preferentially expressed in the spiral ganglion region. To elucidate precise gene expression levels in each part of the cochlea, we performed laser-capture micro dissection in combination with next-generation sequencing analysis and determined the expression levels of all known deafness-associated genes in the organ of Corti, spiral ganglion, lateral wall, and spiral limbs...
March 3, 2017: Hearing Research
https://www.readbyqxmd.com/read/28240980/potential-benefits-of-an-integrated-electric-acoustic-sound-processor-with-children-a-preliminary-report
#17
Jace Wolfe, Sara Neumann, Erin Schafer, Megan Marsh, Mark Wood, R Stanley Baker
BACKGROUND: A number of published studies have demonstrated the benefits of electric-acoustic stimulation (EAS) over conventional electric stimulation for adults with functional low-frequency acoustic hearing and severe-to-profound high-frequency hearing loss. These benefits potentially include better speech recognition in quiet and in noise, better localization, improvements in sound quality, better music appreciation and aptitude, and better pitch recognition. There is, however, a paucity of published reports describing the potential benefits and limitations of EAS for children with functional low-frequency acoustic hearing and severe-to-profound high-frequency hearing loss...
February 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28227326/detection-of-binaural-interaction-in-free-field-evoked-auditory-brainstem-responses-by-time-scale-representations
#18
Erik Schebsdat, Horst Hessel, Harald Seidler, Daniel J Strauss, Erik Schebsdat, Horst Hessel, Harald Seidler, Daniel J Strauss, Horst Hessel, Erik Schebsdat, Harald Seidler, Daniel J Strauss
The so called β-wave of the binaural interaction component (BIC) in auditory brainstem responses (ABR) has been shown to be an objective measure for binaural interaction (BI). This component is the arithmetical difference between the sum of the monaurally evoked ABRs and the binaurally evoked ABR. Unfortunately, these neural responses are known to be very fragile and as a result the calculated BIC. An additional issue is, that the findings of this measurement are predominantly needed in people with hearing loss who may use hearing devices like hearing aids (HA) or cochlear implants (CI), thus they are not able to use headphones (like in conventional ABR measurements) during the detection of possible BI...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225734/auditory-performance-and-electrical-stimulation-measures-in-cochlear-implant-recipients-with-auditory-neuropathy-compared-with-severe-to-profound-sensorineural-hearing-loss
#19
Joseph Attias, Tally Greenstein, Miriam Peled, David Ulanovski, Jay Wohlgelernter, Eyal Raveh
OBJECTIVES: The aim of the study was to compare auditory and speech outcomes and electrical parameters on average 8 years after cochlear implantation between children with isolated auditory neuropathy (AN) and children with sensorineural hearing loss (SNHL). DESIGN: The study was conducted at a tertiary, university-affiliated pediatric medical center. The cohort included 16 patients with isolated AN with current age of 5 to 12.2 years who had been using a cochlear implant for at least 3...
March 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28221712/discovery-of-myh14-as-an-important-and-unique-deafness-gene-causing-prelingually-severe-autosomal-dominant-non-syndromic-hearing-loss
#20
Bong Jik Kim, Ah Reum Kim, Jin Hee Han, Chung Lee, Doo Yi Oh, Byung Yoon Choi
BACKGROUND: Pathogenic variants of MYH14 have been known to be associated-in either a syndromic or non-syndromic manner-with hearing loss. Interestingly, all reported cases to date of MYH14-related non-syndromic hearing loss with detailed phenotypes have demonstrated mild-to-moderate progressive hearing loss with postlingual onset. METHODS: In this study, targeted resequencing (TRS) of known deafness genes was performed to identify the causative variant in two multiplex families segregating AD inherited hearing loss...
February 21, 2017: Journal of Gene Medicine
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